Alert archive / Illinois / Severe Thunderstorm Warnings / 2011
Severe Thunderstorm Warnings in Illinois, February 2011
27 severe thunderstorm warnings in February 2011. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in February 2011. Tap one for its archive.
- Severe Thunderstorm Warnings
- 27
- Busiest day
- February 28, 201123 severe thunderstorm warnings
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 6:33 PM CST | Severe Thunderstorm Warning | PAH | Massac, Pope | 27 min |
| Feb 27, 11:40 AM CST | Severe Thunderstorm Warning | ILX | Cass, Morgan | 25 min |
| Feb 27, 11:46 AM CST | Severe Thunderstorm Warning | ILX | Logan, Mason, Menard | 44 min |
| Feb 27, 12:21 PM CST | Severe Thunderstorm Warning | ILX | McLean | 21 min |
| Feb 27, 6:26 PM CST | Severe Thunderstorm Warning | LSX | Adams, Brown, Pike | 49 min |
| Feb 27, 6:52 PM CST | Severe Thunderstorm Warning | ILX | Fulton, Schuyler | 38 min |
| Feb 27, 7:19 PM CST | Severe Thunderstorm Warning | ILX | Fulton, Mason, Tazewell | 41 min |
| Feb 27, 7:38 PM CST | Severe Thunderstorm Warning | LSX | Adams, Brown, Pike | 37 min |
| Feb 27, 8:14 PM CST | Severe Thunderstorm Warning | ILX | Logan, McLean, Tazewell | 31 min |
| Feb 27, 8:14 PM CST | Severe Thunderstorm Warning | LSX | Brown | 16 min |
| Feb 27, 8:25 PM CST | Severe Thunderstorm Warning | ILX | Cass, Fulton, Mason, Schuyler | 35 min |
| Feb 27, 8:25 PM CST | Severe Thunderstorm Warning | LSX | Calhoun, Pike | 35 min |
| Feb 27, 8:33 PM CST | Severe Thunderstorm Warning | ILX | Fulton, Peoria, Tazewell | 32 min |
| Feb 27, 8:44 PM CST | Severe Thunderstorm Warning | ILX | McLean | 46 min |
| Feb 27, 8:53 PM CST | Severe Thunderstorm Warning | PAH | Johnson, Pope, Saline, Williamson | 25 min |
| Feb 27, 9:17 PM CST | Severe Thunderstorm Warning | ILX | Christian, Logan, Menard, Sangamon | 28 min |
| Feb 27, 9:23 PM CST | Severe Thunderstorm Warning | PAH | Franklin, Hamilton, Jefferson, Wayne, Williamson | 37 min |
| Feb 27, 9:35 PM CST | Severe Thunderstorm Warning | ILX | Clark, Coles, Douglas, Edgar | 40 min |
| Feb 27, 9:47 PM CST | Severe Thunderstorm Warning | PAH | Edwards, Hamilton, Wayne | 28 min |
| Feb 27, 9:50 PM CST | Severe Thunderstorm Warning | LSX | Adams, Pike | 40 min |
| Feb 27, 10:30 PM CST | Severe Thunderstorm Warning | LSX | Pike | 18 min |
| Feb 28, 12:23 AM CST | Severe Thunderstorm Warning | LSX | Randolph | 52 min |
| Feb 28, 12:25 AM CST | Severe Thunderstorm Warning | ILX | Coles, Cumberland, Effingham, Jasper, Moultrie, Shelby | 44 min |
| Feb 28, 12:29 AM CST | Severe Thunderstorm Warning | ILX | Clay, Cumberland, Effingham, Jasper, Richland | 61 min |
| Feb 28, 12:59 AM CST | Severe Thunderstorm Warning | ILX | Clark, Edgar | 32 min |
| Feb 28, 1:06 AM CST | Severe Thunderstorm Warning | ILX | Crawford, Lawrence | 39 min |
| Feb 28, 2:02 AM CST | Severe Thunderstorm Warning | PAH | Franklin, Jackson, Johnson, Union, Williamson | 28 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Pike County5
- Fulton County4
- Logan County3
- Mason County3
- McLean County3
- Adams County3
- Brown County3
- Tazewell County3
- Williamson County3
- Pope County2
- Cass County2
- Menard County2
- Schuyler County2
- Johnson County2
- Franklin County2
- Hamilton County2
- Wayne County2
- Clark County2
- Coles County2
- Edgar County2
- Cumberland County2
- Effingham County2
- Jasper County2
- Massac County1
- Morgan County1
- Calhoun County1
- Peoria County1
- Saline County1
- Christian County1
- Sangamon County1
- Jefferson County1
- Douglas County1
- Edwards County1
- Randolph County1
- Moultrie County1
- Shelby County1
- Clay County1
- Richland County1
- Crawford County1
- Lawrence County1
2 more counties
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.